package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;
import java.util.Arrays;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     *
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex) {
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }

    /**
     * 捕获SQLIntegrityConstraintViolationException
     * 账户已存在
     */


    @ExceptionHandler
    public Result exceptionHandLer(SQLIntegrityConstraintViolationException ex) {


        log.error("异常信息：{}", ex.getMessage());
        String dew =ex.getMessage();
        //Duplicate s=“Duplicate entry'wangzhe' for key"    subString 截取       spLit("")切割

        //判断当前错误详细信息中包含Duplicate entry 如果包含就获取用户输入的id
        if (dew.contains("Duplicate entry")) {
            //包含就获取异常信息的详情
            String[] split = dew.split(" ");
            System.out.println(Arrays.toString(split));
            //获取具体的用户姓名
            String name = split[2];//‘wangzhe’
            //提示用户信息
            return Result.error(name + MessageConstant.AlREADY_EXIST);

        }
        return  Result.error( MessageConstant.UNKNOWN_ERROR);
    }


}
